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Finding the Fourth Proportional to 45,291.87, 67,937.81 and 15,709.73

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Solution

The fourth proportional to 45,291.87, 67,937.81 and 15,709.73 is: 23,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.87 : 67,937.81 = 15,709.73 : x
  2. Step 2: Convert to fraction form
    45,291.87/67,937.81 = 15,709.73/x
  3. Step 3: Cross multiply
    45,291.87x = 67,937.81 × 15,709.73
  4. Step 4: Simplify right side
    45,291.87x = 1,067,284,233.65
  5. Step 5: Solve for x
    x = 1,067,284,233.65/45,291.87
  6. Step 6: Final answer
    x = 23,564.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.